Carbon Dioxide → 4-Hydroxybenzoic Acid

HRID 893439Notes

Reaction equation

HRID 893439 reaction equation
[C:1]1([OH:7])[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.C1([O-])C=C(C)C=C(C)C=1.[K+].[C:18](=[O:20])=[O:19]>>[OH:7][C:1]1[CH:6]=[CH:5][C:4]([C:18]([OH:20])=[O:19])=[CH:3][CH:2]=1

Participants

4

Reactant 3

HCID 280Carbon DioxideHCID 996PhenolHCID 23666958HCID 23666958, compound

Product 1

HCID 1354-Hydroxybenzoic AcidYield 78.4%

Procedure

A pressure vessel was charged with 4.71 g of phenol, 16.05 g of potassium 3,5-xylenolate being in a dry powder form and 38 g of NeoSK 1400. With stirring, reaction was carried out at a carbon dioxide pressure of 5 kg/cm2 (G) and at 300° C. for one hour. An analysis of the reaction mixture after conversion to acid form showed a para-hydroxybenzoic acid yield of 78.4% on the basis of phenol.

Workup

  1. customreaction

Sources & evidence

ORD record
ord-97c38503e8cd4524be8ff9555e5aea43
Source dataset
uspto-grants-1992_06
Patent number
US05124477

Reaction notes

Loading…